Automatic obturator for the adduction of fluids



April 22, 1952 M. T. TlXHON ETAL AUTOMATIC OBTURATOR FOR THE ADDUCTION OF FLUIDS v Filed July 27, 1948 IN V EN TOR. 5(4-55 a w 5 in a usssi Eu as Patented Apr. 22, 1952 AUTOMATIC OBTURATOR FOR THE ADDUCTION OF FLUIDS Marie Therese Tixhon, Herstal, and Eugene Laguesse, Leige, Belgium Application July 27, 1948, Serial No. 40,974 In Belgium July 28, 1947 1 Claim. 1

The present invention relates to an automatic valve for the control of fluid, especially of a liquid, such as water, for example for the automatic supply of water to the drinking troughs of animals, without, however, excluding the possibilities of its application to the distribution of water for domestic and industrial purposes.

The invention will be more readily understood when reference is made to the accompanying drawings showing, by way of illustrative examples, a preferred embodiment wherein Figure 1 is a sectional elevation in a longitu dinal direction through a valve according to the invention;

Fig. 2a, at the left, shows one half of one side of the same, and Fig. 2b, at the right, shows one side of the. external control;

Figure 3 is a plan View of the valve shown in Figures 1 and 2;

Figure 4 is a section through a watering trough fitted, by way of example, with the valve repre sented in Figures 1-3; and

Figure 5 is a plan view of the trough.

Referring to Figures 1, 2 and 3, 33 represents a tubular cross of a cylindrical external form, 58 and 59 representing the tube openings leading to the liquid or to an air trap. Along a transverse axis are formed the passages 52 and 53 through which are transmitted the pressure of the liquid, on the one hand by 52 and by the nozzle 55 on to a rubber disc 2 constituting the valve element, and on the other hand by 53 on to the elastic diaphragm 40 secured against the radial face 35 by a plate 36 through the screws 51. The outer face of the diaphragm 49 is in contact with the face 5| of a push-button 31 guided in the plate 36, and comprising a threaded part 50 on which is engaged the internally threaded socket 38 of a cross-member forming with a similar crossmember 39 disposed at the other side, and with the members 65, 66, a rigid frame or stirrup, see Figures 2 and 3.

The cross-member 39 carries the valve disc 2.

The stem of the push-button 31 is provided with a square end portion 61 to allow adjustment of thread 50 in threaded socket 38 and thereby the advance or reverse movement of the rigid frame constituted by the elements 385566- 39. Rotation of push-button 31, by means of a socket-key fitting the square end portion 61, will thus vary the pressure of rubber disk 2 against the nozzle 55.

The operation, when the device is fitted to a drinking trough, is as follows:

When the plate ill of a drinking trough H (see Figure 4) is pushed by the muzzle of an animal, with the plate resting like a pendulum on the part 31, the diaphragm 40 yields to the effort and the assembly 3865-66-39 recoils, so as to disengage the disc 2 from the nozzle 55 and allow the water to flow into the chamber 34, from which it is released through the passage 56 and flows to the bottom of the drinking trough. This passage may be provided with a 2 tubular extension 6| projecting down into the bottom of the trough.

It is to be observed that the closure of the valve member is effected without the intervention of a spring or the weight of a mass, but solely by using the pressure of the fluid within the limits of the supply conduit, and that the closure is much more powerful when the service pressure is very strong. Besides, the opening and the closing of the valve are progressively regulated which obviates water hammering, ensures flexibility in operation, and a silence which can otherwise be obtained only with submerged valves.

We claim:

In an automatic fluid-control valve, a hollow body subjected interiorly to the fluid pressure, an outlet from the body, a flexible diaphragm arranged laterally in the body having its inner face, in contact with the fluid, subjected to the difference between the fluid pressure and the pressure at the outlet, a movable closure for the outlet subjected to the outlet pressure in opposing direction to the effective forces acting on the diaphragm, a positive connection between the closure and the diaphragm comprising a pair of ties arranged in parallel outside the body, the body being of tubular shape, a first cross-brace connected to one end of each tie and to the closure, a second cross-brace connected to the other end of each tie, a push-rod engaging at one end with the diaphragm and formed at the other end with an exterior adjustment controlling means, and a threaded connection between the push-rod and the second cross-brace, thereby to provide movement of the closure in response to movement of the diaphragm, and said exterior means controlling the adjustment of the closure relatively to the outlet.

MARIE THERESE TIXHON. EUGENE LAGUESSE.

REFERENCES CITED The following references are of record in the file of this patent:

UNITED STATES PATENTS Number Name Date Re. 11,722 Gulland Mar. 14, 1899 121,487 Burnett Dec. 5, 1871 1,167,895 Fulton Jan. 11, 1916 1,590,389 7 Mellowes June 29, 1926 1,803,957 Bragg May 5, 1931 1,836,976 Krause Dec. 15, 1931 2,143,204 McCormack Jan. 10, 1939 2,360,603 Ward Oct. 17, 1944 FOREIGN PATENTS Number Country Date 11,189 Great Britain of 1846 520,433 Great Britain of 1940 598,686 Germany of 1934 

